How many former members from the band where Zack De La Rocha was a rapper/vocalist took part in the Audioslave discography? 
three
-1
Section::::Abstract.
Audioslave discography
7368312
-1
Section::::Abstract.
Audioslave discography
7368312
-1
Section::::Abstract.
Audioslave discography
7368312
-1
Section::::Abstract.
Audioslave discography
7368312
-1
Section::::Abstract.
Rage Against the Machine
80027
-1
Section::::Abstract.
Rage Against the Machine
80027